Answer:
B. It established a blueprint for international cooperation among the major European powers.
Step-by-step explanation:
The Congress of Vienna was meeting of ambassadors between European states held in 1814 and 1815 in Vienna, Austria.
They held the meeting because the countries, through their ambassadors, wanted to provide a long-term peace plan for Europe resolving the issues that the French Revolutionary Wars and the Napoleonic Wars had left.
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